References External links Echocardiography in Mitral stenosis at Wikiecho Echocardiographic features of Mitral Stenosis Mitral Valve Repair at The Mount Sinai Hospital

The mitral valve opens when the pressure in the left atrium is greater than the pressure in the left ventricle.

It so happens that millions of albatross nesting on Kure and Midway atolls in the Northwest Hawaiian Islands National Monument forage here and scavenge whatever they can find for regurgitation to their chicks.

To our great concern, Ghrer suffers from hypertensive vascular disease and mitral valve prolapse. We fear a deterioration in his health condition in Syrian detention cells, known for their poor environmental, psychological and physical conditions. The detention centers environment and their lack of the necessary medical equipment may pose a direct threat to his life.